# Aristotle API - Integration to Legacy Systems **URL:** \ **Category:** API & Programming\ **Created:** [February 1, 2021, 2:40pm UTC](https://community.aristotlemetadata.com/t/aristotle-api-integration-to-legacy-systems/94 "2021-02-01T14:40:38Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![sam](https://yyz1.discourse-cdn.com/flex029/user_avatar/community.aristotlemetadata.com/sam/32/3_2.png) [@sam](https://community.aristotlemetadata.com/u/sam)\ **Post date:** [February 2, 2021, 9:46am UTC](https://community.aristotlemetadata.com/t/aristotle-api-integration-to-legacy-systems/94/2 "2021-02-02T09:46:12Z")
Hey Martin thanks for joining the community. @Michael has demonstrated some examples he’s developed using the API here: [https://community.aristotlemetadata.com/t/delta-processing-how-to-know-whats-changes-to-integrate/51/12](https://community.aristotlemetadata.com/t/delta-processing-how-to-know-whats-changes-to-integrate/51/12) And @Waylon and @Adrian have some examples on authenticating through the API that might be useful here: > [@Aristotle Token Question](https://community.aristotlemetadata.com/t/aristotle-token-question/45/4): > > The authorisation doesn’t appear to be being honoured from there, but was shown as an indication of what you’ll need to include in your header in your requests. When using the api from a programming language you’ll want to use something like the below for python which should return a dictionary with the first 50 datasets in your repository you can see: import requests page\_size = 50 url = "http://{your\_site\_here}/api/v4/metadata" token = "your\_token" headers=dict(Authorization='{}'.format(t… There are a few questions on the community from other end users as well, so there should be a lot of helpful answers for you! --- _[View the full topic](https://community.aristotlemetadata.com/t/aristotle-api-integration-to-legacy-systems/94)._